How to realize Music player in C language
In this article, the editor introduces in detail "how to achieve a music player in C language". The content is detailed, the steps are clear, and the details are handled properly. I hope this article "how to implement a music player in C language" can help you solve your doubts. Let's follow the editor's ideas to learn new knowledge.
The example code is as follows:
# include#include#include#include # includetypedef struct node_ node_t;struct node_ {char* name;//gequming node_t * prev; node_t * next;}; node_t * head = NULL;int first=1;//diyicibofnagnode_t * cur = NULL;//dangqianbofangenum {STOP,PAUSE,PLAY}; int status = STOP;void List_init (void) {head = malloc (sizeof (node_t)); memset (head,0x00,sizeof (node_t)); head- > next = head- > prev=head } void list_insert (const char* name) {node_t * p = malloc (sizeof (node_t)); memset (preco 0x00 malloc sizeof (node_t)); p-> name = malloc (strlen (name) + 1); strcpy (p-> name,name); p-> next = head- > next; p-> prev = head; head- > next- > prev = p; head- > next = p } int menu (void) {printf ("* menu****\ n"); printf ("1.play/pause\ n"); printf ("2.next\ n"); printf ("3.prev\ n"); printf ("4.stop\ n"); printf ("5.exit\ n") Printf ("* *\ n"); list_show (); int choose = 4; do {printf (">"); scanf ("% d", & choose); if (choose > = 0 percent choosenext; while (paired head) {printf ("% s", p-> name); if (p==cur) printf ("/ dev/null | aplay 2 > / dev/null &", cur- > name) System (buf); first= 0; status= PLAY;} else {if (status==PLAY) {system ("killall-SIGSTOP aplay"); status= PAUSE;} else if (status==PAUSE) {system ("killall-SIGCONT aplay"); status= PLAY;}} void stop () {system ("killall-SIGKILL aplay"); first=1;} void next () {stop (); cur= cur- > next; if (cur==head) {cur= cur- > next;} playPause () } void prev () {stop (); cur= cur- > prev; if (cur==head) {cur= cur- > prev;} playPause ();} int main (int args,char * argv []) {List_init (); load_music (". / music/Music"); if (head- > nexttransition head) cur= head- > next; / / printf ("% s\ n", cur- > name); / / list_show (); do {int choose = menu (); switch (choose) {case 1: playPause (); Case 2: next (); break; case 3: prev (); break; case 4: stop (); break; case 0: printf ("thanks"); system ("killall-SIGKILL aplay"); exit (0); break; default: break; / / do nothing;}} while (1); return 0;}
The image of the effect of the example is as follows:
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